98 
Wing 2 385-392 mm.; plumage blacker ; 
hind neck mottled buff instead of white ; 
tail band narrower (40 mm.) ; bill rather 
more slender ; secondaries chiefly rufous, 
barred with black. 
163b.Urubitinga anthracina subtilis Thayer and 
163c. 
164. 
Bangs, Bull. Mus. Comp. Zool., xlvi., p. 94. 
(1905). [Gorgona I., type in M.C.Z., 
Harvard. ] 
Gorgona Black Hawk. 
Wing ¢ 342; brownish black ; secondaries 
rufous, barred and tipped with black ; tail 
with white band 40 mm. and buff tips. 
Urubitinga anthracina bangsi subsp. nov. 
[$ San Miguel I., Pearl Is., Bay of Panama. 
W. W. Brown, Jr., Mar. 30, 1904, type in 
M.C.Z., Harvard. | 
Pearl Island Black Hawk. 
Wing 3g 365 mm.; sooty black, browner 
on wings; primaries merely frosted with 
white at base; inner webs of secondaries 
dull rufous, except at tips, barred and 
mottled with black; tail band 30 mm. 
wide, the tip buffish. 
Urubitinga gundlachi (Cab.), J. f. O., 1854, 
Suppl. p.Ixxx. [Cuba, type in Berlin Mus. ] 
Cuban Black Hawk. 
Wing 9g 340-360 mm.; dark chocolate 
brown; the wing-coverts, scapulars and 
under parts narrowly edged with buffish 
white or pale rufous; basal half of 
primaries slate grey on outer webs, the 
inner webs white, forming a conspicuous 
patch below ; secondaries uniform brownish 
Gorgona I., 
S.W. Colombia. 
Panama. 
Cuba. 
